2009 Audi A3 vs. 2007 Porsche Cayenne
To start off, 2009 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2007 Porsche Cayenne would be higher. At 4,511 cc (8 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (444 HP @ 6000 RPM) has 247 more horse power than 2009 Audi A3. (197 HP @ 6000 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 1500 kg more than 2009 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A3. In wet, icy, snow, or gravel driving conditions, 2007 Porsche Cayenne will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Porsche Cayenne (620 Nm @ 2250 RPM) has 340 more torque (in Nm) than 2009 Audi A3. (280 Nm @ 1800 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2009 Audi A3 | 2007 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A3 | Cayenne |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1982 cc | 4511 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 444 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 280 Nm | 620 Nm |
| Torque RPM | 1800 RPM | 2250 RPM |
| Engine Bore Size | 82.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 234 km/hour | 266 km/hour |
| Acceleration 0-100mph | 7 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 930 kg | 2430 kg |
| Vehicle Length | 4290 mm | 4790 mm |
| Vehicle Width | 1430 mm | 1930 mm |
| Vehicle Height | 1770 mm | 1710 mm |
| Wheelbase Size | 2580 mm | 2860 mm |
| Fuel Consumption Overall | 8.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 55 L | 100 L |
